131, 191, 024 test stand comparison - Dodge Cummins Diesel Forum
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post #1 of 11 (permalink) Old 02-08-2010, 11:04 PM Thread Starter
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131, 191, 024 test stand comparison

Well I had my pump on our test stand at work to do a recalibration. At 21mm it did 451cc's with 191's and no plate.

I used stock 131s(160hp 841 pump), 191s, and we had some 024s in stock.

Im not sure these are the same 024s as everyone loves because they didn't perform how I thought they would. Bosch Part # is 9418270024.
Left = 024s Middle = 191s Right = 131s


Shoulder measurement is
024s - .033"
191s - .030"
131s - .080"

At 1250 test stand rpms and 14.7mm rack
024s - 249.7cc's
191s - 255.1cc's
131s - 198.1cc's


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Last edited by Cummins35.9; 02-09-2010 at 01:35 AM.
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post #2 of 11 (permalink) Old 02-09-2010, 12:50 AM
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EDIT: Previously stated that those were not 24's but it seems that there are too many differences between companies to truthfully tell if they are 24's or not, they can vary in flutes, pintles, taper, and shoulders. Learned something new today.


Interesting to see that .003" diff of shoulder hight makes just over 5cc's of difference in flow. Might be able to crunch some numbers and find out how much shoulder would produce diff flow rates. Was wanting to do this myself but you beat me to it.

Would you be able to do the 131/181 combo?
I would like to see across the board results for 131, 181, 131/181, 191, 24, 22, and lazer cuts.

oh and you may wanna edit the shoulder measuments, you put 181 instead of 131

Last edited by partyshortbusdriver; 02-11-2010 at 10:30 AM.
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post #3 of 11 (permalink) Old 02-09-2010, 01:45 AM Thread Starter
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Quote:
Originally Posted by partyshortbusdriver View Post
those are not 24's. The shoulder on 24's is .024".

Interesting to see that .003" diff of shoulder hight makes just over 5cc's of difference in flow. Might be able to crunch some numbers and find out how much shoulder would produce diff flow rates. Was wanting to do this myself but you beat me to it.

Would you be able to do the 131/181 combo?
I would like to see across the board results for 131, 181, 131/181, 191, 24, 22, and lazer cuts.

oh and you may wanna edit the shoulder measuments, you put 181 instead of 131
I thought the .024's were a .024" shoulder also, but this is the part number I found and same # works with 022 on the end. I have access to test stands at work and will be doing another pump next week or the week after. I would really like solid numbers on all dv's available, but I really don't have the money to buy a set of each and test them. Im interested in the accuracy of these 024s compared to what everyone else is buying from peaks or others. This test just didn't seem to support what everyone is saying about 024s compared to 191s.

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post #4 of 11 (permalink) Old 02-09-2010, 01:55 AM Thread Starter
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On CompD "DDP Magic DV's"
Shoulder = .76mm = .02992"
It can be easy for 2 people to measure something and get totally different results, but his measurement is closer to my .033" than .024".


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Last edited by Cummins35.9; 02-09-2010 at 02:22 AM.
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post #5 of 11 (permalink) Old 02-09-2010, 01:47 PM
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Interesting, great results and info. (Golf Clap)

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post #6 of 11 (permalink) Old 02-09-2010, 02:08 PM
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It would be nice if you could test some real .024s or .022s and see the gains over the 191s.

Good info though

PS, wanna "test" my pump? lol

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post #7 of 11 (permalink) Old 02-09-2010, 04:58 PM
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PS, wanna "test" my pump? lol
ditto........
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post #8 of 11 (permalink) Old 02-09-2010, 05:21 PM
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Nice info, I stuck it at the top. Discuss and keep it on topic! Thanks guys.


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post #9 of 11 (permalink) Old 02-10-2010, 10:34 PM
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post #10 of 11 (permalink) Old 05-02-2011, 02:38 AM Thread Starter
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A piece of aluminum stuck in the weights...

Wish I could have had some more money and time for testing to share with the public.

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post #11 of 11 (permalink) Old 05-02-2011, 02:44 AM Thread Starter
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On second thought if everyone wants to send a sample dv to be tested. My old boss and I will be building my 13mm pump. I'd be willing to foot the bill for shipping and testing so we could get some accurate cc differences. Say 131, 181, 131/181, 191, 022, 024, ddp, full cuts, sdx comp.

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Last edited by Cummins35.9; 05-02-2011 at 02:47 AM.
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